Amino acids are the building blocks of proteins and are made from basic amino group (−NH2) and an acidic carboxyl group (−COOH) as well an organic R group (or side chain) that is unique to each amino acid. they are made from carbon, hydrogen, oxygen and nitrogen atoms
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HERBACEOUS PLANTS• Support is provided by the turgidity of parenchyma & collenchyma cells & xylem tissues. Parenchyma cells are filled with water turgid• Collenchyma cells have unevenly thickened cellulose walls which provide support in stem & the midrib of the leaves.
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the polygenic is influenced by more then one gene
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